Also this was added to Custom CSS settings:
.gv-panel .gv-panel-overlay,
.gv-panel .gv-overlay-background { height: 1em; padding: 0.5em 0.5em 1em; }
.gv-panel .gv-panel-overlay,
.gv-panel .gv-overlay-background { height: 1em; padding: 0.5em 0.5em 1em; }